Well, you knew it had to happen sooner or later with the studio already showing the 7-minute prologue to Christopher Nolan’s “The Dark Knight Rises” to industry types, journos, and even sneak screenings around the country. So here it is for those of you who just can’t wait to catch the prologue in front of the IMAX showing of “Mission Impossible: Ghost Protocol” on the 16th. It is a blurry, barely visible copy, to be sure, but hey, what did you expect?